F118 engine qualified
A nut having one convex, spherical bearing surface, with 12 drive points, 24 sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member.
Classification: Nuts of iron or steel
NSN 6685-01-485-0604
NSN 5998-01-456-5613
NSN 5996-00-728-3654
NSN 5965-00-577-1242
NSN 6650-00-891-9850
NSN 6645-00-880-8045
NSN 6110-00-487-4278
NSN 5996-01-180-3107
NSN 5835-01-482-1591
NSN 6620-00-155-2608
NSN 5975-00-840-2830
NSN 5925-00-377-6368